96643899 has 48 divisors (see below), whose sum is σ = 161740800. Its totient is φ = 54993600.

The previous prime is 96643879. The next prime is 96643901. The reversal of 96643899 is 99834669.

It is a happy number.

It is not a de Polignac number, because 96643899 - 2⁵ = 96643867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (96643819) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 359137 + ... + 359405.

It is an arithmetic number, because the mean of its divisors is an integer number (3369600).

Almost surely, 2^96643899 is an apocalyptic number.

96643899 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

96643899 is a deficient number, since it is larger than the sum of its proper divisors (65096901).

96643899 is a wasteful number, since it uses less digits than its factorization.

96643899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 493 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 96643899 is about 9830.7628900305. The cubic root of 96643899 is about 458.9071394301.

The spelling of 96643899 in words is "ninety-six million, six hundred forty-three thousand, eight hundred ninety-nine".